.part-1 {
  background: url('../img/banner05.jpg');
}
.contain {
  align-items: flex-start;
  justify-content: center;
  width: 80%;
  padding: 60px 0;
}
.left {
  width: 300px;
  color: #666666;
  flex-shrink: 0;
}
.left a {
  color: #666666;
}
.left li {
  padding: 0 0 0 40px;
  margin-bottom: 40px;
  border-left: 5px solid #fff;
}
.contain .left .active {
  color: #333333;
  border-left: 5px solid #e07f00;
}
.right .item {
  color: #666666;
  font-size: 14px;
  line-height: 28px;
  padding: 0 0 40px 0;
  margin-bottom: 40px;
  border-bottom: 1px solid #b2b2b2;
}
.right .item:last-child {
  border: none;
}
.item-2 ul {
  margin: 0;
  padding: 0 0 0 20px;
}
.item-2 li {
  list-style: initial;
}
.item-3 h5 {
  margin: 0;
  padding: 0;
  font-size: 18px;
}
.item-3 .label {
  font-size: 14px;
  margin: 0;
  padding: 0;
}
.person:first-child {
  margin-bottom: 48px;
}
.item-4 h5 {
  font-size: 16px;
}
.item-4 ul {
  margin: 0;
  padding: 0 0 0 20px;
}
.item-4 ul li {
  list-style: initial;
}
@media screen and (max-width: 1024px) {
  .contain {
    width: 88%;
  }
  .left {
    width: 240px;
  }
  .ding-ul {
    margin-left: 0;
    padding-left: 0;
  }
}
@media screen and (max-width: 768px) {
  .part-1 {
    background-position: 1100px;
  }
  .contain {
    flex-direction: column;
    width: 88%;
  }
  .left {
    width: 100%;
  }
  .ding-ul {
    display: flex;
    flex-direction: row;
    font-size: 0.34rem;
    margin: 0;
    padding: 0;
    justify-content: space-between;
    background: #fff;
    width: 100%;
  }
  .ding-ul.phone {
    position: fixed;
    top: 0;
    left: 0;
    box-sizing: border-box;
    width: 100%;
    padding: 0.4rem 0.3rem;
  }
  .left li {
    padding: 0;
    height: 0.6rem;
    margin: 0;
  }
  .contain .left .active {
    border-left: none;
    border-bottom: 5px solid #e07f00;
  }
  .right .item {
    font-size: 0.3rem;
    line-height: normal;
  }
  .item-3 h5 {
    font-size: 0.36rem;
  }
  .item-3 .label {
    font-size: 0.28rem;
  }
  .item-4 h5 {
    font-size: 0.32rem;
  }
}
